Table 5 Time measurement of GEMINI and VAS
Tool |  | Data loading/uploading (s)* | Data integration (s) | Total (s)    |
|---|---|---|---|---|
GEMINI (as reported in[18]) | Average | 5,050.0 | 24.0 | 5,064.0 |
GEMINI (our testing results) | Trial 1 | 9,944.6 | 154.1 | 10,098.6 |
| Â | Trial 2 | 9,960.5 | 155.5 | 10,116.1 |
| Â | Trial 3 | 10,182.4 | 156.9 | 10,339.3 |
| Â | Trial 4 | 10,182.3 | 162.8 | 10,345.1 |
| Â | Trial 5 | 10,053.2 | 169.1 | 10,222.2 |
| Â | Average | 10,064.6 | 159.7 | 10,224.3 |
| Â | Std. dev. | 115.2 | 6.2 | 117.6 |
VAS | Trial 1 | 9.9 | 1,711.1 | 1,721.1 |
| Â | Trial 2 | 10.4 | 1,772.3 | 1,782.7 |
| Â | Trial 3 | 9.7 | 1,552.5 | 1,562.1 |
| Â | Trial 4 | 9.2 | 1,541.6 | 1,550.8 |
| Â | Trial 5 | 9.6 | 1,580.9 | 1,590.5 |
| Â | Average | 9.8 | 1,631.7 | 1,641.4 |
| Â | Std. dev. | 0.4 | 103.7 | 104.1 |